Alert archive / Louisiana / Flash Flood Watches in 2016

Flash Flood Watch 10, NWS Lake Charles, LA

December 31, 20164 parishes in Louisiana

NWS Lake Charles, LA issued this flash flood watch at Dec 31, 2016, 3:48 AM CST for 4 parishes in Louisiana. It took effect at Dec 31, 2016, 6:00 AM CST. It was in force for 58 hr.

The area

The counties it named.

The facts

Issued
Dec 31, 2016, 3:48 AM CST (09:48 UTC)
In effect from
Dec 31, 2016, 6:00 AM CST
Expired
Jan 2, 2017, 3:47 PM CST
In force
58 hr
Issued by
NWS Lake Charles, LA
Flood severity
None

Counties Cameron Parish, LA, Lafayette Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 9.8 hours before the alert went out and 95 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Lake Charles Mun, LA at 00:00Z on 2016-12-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 00:00Z on 2016-12-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2261 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

867 
WGUS64 KLCH 310948
FFALCH

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE LAKE CHARLES LA
348 AM CST SAT DEC 31 2016

...FLASH FLOOD WATCH IN EFFECT UNTIL MONDAY AFTERNOON...

.SHOWERS WILL INCREASE THIS MORNING AS THE FIRST OF SEVERAL UPPER
LEVEL DISTURBANCES BEGINS TO TRAVERSE THE AREA. THE WEST TO EAST
UPPER LEVEL FLOW ACROSS THE AREA WILL RESULT IN TRAINING OF
SHOWERS. FORECAST GUIDANCE ALSO INDICATES AN ABUNDANCE OF LOW
LEVEL MOISTURE WHICH WILL RESULT IN EFFICIENT RAINFALL
PRODUCTION. RAINFALL WILL WANE SOMEWHAT OVERNIGHT SATURDAY NIGHT
BETWEEN DISTURBANCES BEFORE INCREASING AGAIN SUNDAY AND MONDAY.
WIDESPREAD RAINFALL TOTALS OF 3-5 INCHES ARE EXPECTED IN THE
WATCH AREA OVER THE THREE DAY PERIOD WITH LOCAL AMOUNTS OF 6-10
INCHES POSSIBLE.

LAZ033-042>045-052>055-074-311800-
/O.NEW.KLCH.FF.A.0010.161231T1200Z-170103T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ST. LANDRY-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-EAST CAMERON-
INCLUDING THE CITIES OF...LAWTELL...OPELOUSAS...EUNICE...
HATHAWAY...JENNINGS...TOPSY...ROANOKE...WELSH...LAKE ARTHUR...
CROWLEY...RAYNE...BRANCH...CHURCH POINT...RICHARD...LAFAYETTE...
BREAUX BRIDGE...CADE...ST. MARTINVILLE...ABBEVILLE...
INTRACOASTAL CITY...MEAUX...FORKED ISLAND...KAPLAN...NEW IBERIA...
MORGAN CITY...BURNS POINT...CENTERVILLE...FRANKLIN...PATTERSON...
BERWICK...BAYOU VISTA...STEPHENSVILLE...GRAND LAKE...KLONDIKE...
CAMERON...CREOLE...GRAND CHENIER...RUTHERFORD BEACH
348 AM CST SAT DEC 31 2016

...FLASH FLOOD WATCH IN EFFECT THROUGH MONDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* FLASH FLOOD WATCH FOR PORTIONS OF CENTRAL LOUISIANA...SOUTH 
  CENTRAL LOUISIANA AND SOUTHWEST LOUISIANA...INCLUDING THE 
  FOLLOWING AREAS...IN CENTRAL LOUISIANA...ST. LANDRY. IN SOUTH 
  CENTRAL LOUISIANA...IBERIA...LAFAYETTE...LOWER ST. MARTIN... 
  ST. MARY AND UPPER ST. MARTIN. IN SOUTHWEST LOUISIANA... 
  ACADIA...EAST CAMERON...JEFFERSON DAVIS AND VERMILION. 

* THROUGH MONDAY AFTERNOON

* WIDESPREAD RAINFALL TOTALS OF 3-5 INCHES ARE EXPECTED OVER THE
  THREE DAY PERIOD WITH LOCAL AMOUNTS OF 6-10 INCHES POSSIBLE.

* IMPACTS INCLUDE DANGEROUS AND POTENTIALLY LIFE THREATENING 
  FLASH FLOODING AS WELL AS ELEVATED LEVELS ON AREA RIVERS AND 
  STREAMS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

JONES
9 follow-up statements
511 
WGUS64 KLCH 311631 
FFALCH

FLOOD WATCH
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1031 AM CST SAT DEC 31 2016

...FLASH FLOOD WATCH IN EFFECT UNTIL MONDAY AFTERNOON...

.SHOWERS WILL INCREASE THIS MORNING AS THE FIRST OF SEVERAL UPPER
LEVEL DISTURBANCES BEGINS TO TRAVERSE THE AREA. THE WEST TO EAST
UPPER LEVEL FLOW ACROSS THE AREA WILL RESULT IN TRAINING OF
SHOWERS. FORECAST GUIDANCE ALSO INDICATES AN ABUNDANCE OF LOW
LEVEL MOISTURE WHICH WILL RESULT IN EFFICIENT RAINFALL
PRODUCTION. RAINFALL WILL WANE SOMEWHAT OVERNIGHT SATURDAY NIGHT
BETWEEN DISTURBANCES BEFORE INCREASING AGAIN SUNDAY AND MONDAY.
WIDESPREAD RAINFALL TOTALS OF 3-5 INCHES ARE EXPECTED IN THE
WATCH AREA OVER THE THREE DAY PERIOD WITH LOCAL AMOUNTS OF 6-
10 INCHES POSSIBLE.

LAZ033-042>045-052>055-074-010000-
/O.CON.KLCH.FF.A.0010.000000T0000Z-170103T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ST. LANDRY-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-EAST CAMERON-
INCLUDING THE CITIES OF...LAWTELL...OPELOUSAS...EUNICE...
HATHAWAY...JENNINGS...TOPSY...ROANOKE...WELSH...LAKE ARTHUR...
CROWLEY...RAYNE...BRANCH...CHURCH POINT...RICHARD...LAFAYETTE...
BREAUX BRIDGE...CADE...ST. MARTINVILLE...ABBEVILLE...
INTRACOASTAL CITY...MEAUX...FORKED ISLAND...KAPLAN...NEW IBERIA...
MORGAN CITY...BURNS POINT...CENTERVILLE...FRANKLIN...PATTERSON...
BERWICK...BAYOU VISTA...STEPHENSVILLE...GRAND LAKE...KLONDIKE...
CAMERON...CREOLE...GRAND CHENIER...RUTHERFORD BEACH
1031 AM CST SAT DEC 31 2016

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY AFTERNOON...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL LOUISIANA...SOUTH CENTRAL LOUISIANA AND 
  SOUTHWEST LOUISIANA...INCLUDING THE FOLLOWING AREAS...IN 
  CENTRAL LOUISIANA...ST. LANDRY. IN SOUTH CENTRAL LOUISIANA... 
  IBERIA...LAFAYETTE...LOWER ST. MARTIN...ST. MARY AND UPPER ST. 
  MARTIN. IN SOUTHWEST LOUISIANA...ACADIA...EAST CAMERON... 
  JEFFERSON DAVIS AND VERMILION. 

* THROUGH MONDAY AFTERNOON

* WIDESPREAD RAINFALL TOTALS OF 3-5 INCHES ARE EXPECTED OVER THE 
  THREE DAY PERIOD WITH LOCAL AMOUNTS OF 6-10 INCHES POSSIBLE. 

* IMPACTS INCLUDE DANGEROUS AND POTENTIALLY LIFE THREATENING 
  FLASH FLOODING AS WELL AS ELEVATED LEVELS ON AREA RIVERS AND 
  STREAMS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

13
682 
WGUS64 KLCH 312142
FFALCH

FLOOD WATCH
NATIONAL WEATHER SERVICE LAKE CHARLES LA
342 PM CST SAT DEC 31 2016

...FLASH FLOOD WATCH IN EFFECT UNTIL MONDAY AFTERNOON...

.A LARGE AREA OF MODERATE TO HEAVY RAINFALL WILL CONTINUE TO
SPREAD EAST ACROSS THE WATCH AREA THE REST OF THIS AFTERNOON AND
INTO TONIGHT. OBSERVATIONS ACROSS SOUTHEAST TEXAS AND SOUTHWEST
LOUISIANA INDICATE THAT 2 TO 3 INCHES OF RAIN HAS FALLEN ALONG AND
SOUTH OF THE I-10 CORRIDOR FROM BEAUMONT TO LAKE CHARLES, WITH
HOURLY RATES BETWEEN 1 TO 1.5 INCHES IN THE HEAVIEST SHOWERS.
WHILE THUNDERSTORM ACTIVITY HAS REMAINED ISOLATED AND MOSTLY ALONG
THE COAST OR OVER THE GULF WATERS, THERE REMAINS THE POSSIBILITY
THAT THUNDERSTORMS WITH SIMILAR OR HIGHER RAINFALL RATES WILL
OCCUR FARTHER INLAND AND INCREASE IN NUMBER OVER THE WATCH AREA AS
THE AREA OF RAIN CONTINUES TO MOVE TO THE EAST. SIMILAR OR
SLIGHTLY HIGHER RAINFALL TOTALS ARE EXPECTED TO OCCUR IN THE
WATCH AREA THE REST OF THIS AFTERNOON AND TONIGHT. ADDITIONAL LESS
ORGANIZED RAINFALL IS EXPECTED ON SUNDAY, WITH ANOTHER ROUND OF
SHOWERS AND THUNDERSTORMS FORECAST ON MONDAY. THREE DAY EVENT
TOTALS ARE EXPECTED TO AVERAGE 3 TO 5 INCHES IN THE WATCH AREA.
LOCALLY HIGHER AMOUNTS ARE POSSIBLE.

LAZ033-042>045-052>055-074-010600-
/O.CON.KLCH.FF.A.0010.000000T0000Z-170103T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ST. LANDRY-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-EAST CAMERON-
INCLUDING THE CITIES OF...LAWTELL...OPELOUSAS...EUNICE...
HATHAWAY...JENNINGS...TOPSY...ROANOKE...WELSH...LAKE ARTHUR...
CROWLEY...RAYNE...BRANCH...CHURCH POINT...RICHARD...LAFAYETTE...
BREAUX BRIDGE...CADE...ST. MARTINVILLE...ABBEVILLE...
INTRACOASTAL CITY...MEAUX...FORKED ISLAND...KAPLAN...NEW IBERIA...
MORGAN CITY...BURNS POINT...CENTERVILLE...FRANKLIN...PATTERSON...
BERWICK...BAYOU VISTA...STEPHENSVILLE...GRAND LAKE...KLONDIKE...
CAMERON...CREOLE...GRAND CHENIER...RUTHERFORD BEACH
342 PM CST SAT DEC 31 2016

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY AFTERNOON...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL LOUISIANA...SOUTH CENTRAL LOUISIANA AND 
  SOUTHWEST LOUISIANA...INCLUDING THE FOLLOWING AREAS...IN 
  CENTRAL LOUISIANA...ST. LANDRY. IN SOUTH CENTRAL LOUISIANA... 
  IBERIA...LAFAYETTE...LOWER ST. MARTIN...ST. MARY AND UPPER ST. 
  MARTIN. IN SOUTHWEST LOUISIANA...ACADIA...EAST CAMERON... 
  JEFFERSON DAVIS AND VERMILION. 

* THROUGH MONDAY AFTERNOON

* WIDESPREAD RAINFALL TOTALS OF 3-5 INCHES ARE EXPECTED OVER THE
  THREE DAY PERIOD WITH LOCALLY HIGHER AMOUNTS POSSIBLE.

* IMPACTS INCLUDE DANGEROUS AND POTENTIALLY LIFE THREATENING 
  FLASH FLOODING AS WELL AS ELEVATED LEVELS ON AREA RIVERS AND 
  STREAMS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

13
395 
WGUS64 KLCH 010300
FFALCH

FLOOD WATCH
NATIONAL WEATHER SERVICE LAKE CHARLES LA
900 PM CST SAT DEC 31 2016

...FLASH FLOOD WATCH IN EFFECT UNTIL MONDAY AFTERNOON...

.A LARGE AREA 3 TO 4 INCHES OF RAIN HAS FALLEN ALONG AND SOUTH OF
THE I-10 CORRIDOR FROM BEAUMONT TO LAKE CHARLES, AS WELL AS ALONG
AND SOUTH OF U.S. 190 EAST OF LAKE CHARLES TO OPELOUSAS. ADDITIONAL
BUT LESS ORGANIZED RAINFALL IS EXPECTED ON SUNDAY, WITH ANOTHER
ROUND OF SHOWERS AND THUNDERSTORMS FORECAST ON MONDAY. THREE DAY
EVENT TOTALS ARE EXPECTED TO AVERAGE 4 TO 6 INCHES IN THE WATCH
AREA. LOCALLY HIGHER AMOUNTS ARE POSSIBLE.

LAZ033-042>045-052>055-074-011400-
/O.CON.KLCH.FF.A.0010.000000T0000Z-170103T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ST. LANDRY-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-EAST CAMERON-
INCLUDING THE CITIES OF...LAWTELL...OPELOUSAS...EUNICE...
HATHAWAY...JENNINGS...TOPSY...ROANOKE...WELSH...LAKE ARTHUR...
CROWLEY...RAYNE...BRANCH...CHURCH POINT...RICHARD...LAFAYETTE...
BREAUX BRIDGE...CADE...ST. MARTINVILLE...ABBEVILLE...
INTRACOASTAL CITY...MEAUX...FORKED ISLAND...KAPLAN...NEW IBERIA...
MORGAN CITY...BURNS POINT...CENTERVILLE...FRANKLIN...PATTERSON...
BERWICK...BAYOU VISTA...STEPHENSVILLE...GRAND LAKE...KLONDIKE...
CAMERON...CREOLE...GRAND CHENIER...RUTHERFORD BEACH
900 PM CST SAT DEC 31 2016

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY AFTERNOON...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL LOUISIANA...SOUTH CENTRAL LOUISIANA AND 
  SOUTHWEST LOUISIANA...INCLUDING THE FOLLOWING AREAS...IN 
  CENTRAL LOUISIANA...ST. LANDRY. IN SOUTH CENTRAL LOUISIANA... 
  IBERIA...LAFAYETTE...LOWER ST. MARTIN...ST. MARY AND UPPER ST. 
  MARTIN. IN SOUTHWEST LOUISIANA...ACADIA...EAST CAMERON... 
  JEFFERSON DAVIS AND VERMILION. 

* THROUGH MONDAY AFTERNOON

* WIDESPREAD RAINFALL TOTALS OF 4-6 INCHES ARE EXPECTED OVER THE 
  THREE DAY PERIOD WITH LOCALLY HIGHER AMOUNTS POSSIBLE. 

* IMPACTS INCLUDE DANGEROUS AND POTENTIALLY LIFE THREATENING 
  FLASH FLOODING AS WELL AS ELEVATED LEVELS ON AREA RIVERS AND 
  STREAMS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
762 
WGUS64 KLCH 010946
FFALCH

FLOOD WATCH
NATIONAL WEATHER SERVICE LAKE CHARLES LA
346 AM CST SUN JAN 1 2017

...FLASH FLOOD WATCH IN EFFECT UNTIL MONDAY AFTERNOON...

.A LARGE AREA 3 TO 4 INCHES OF RAIN HAS FALLEN ACROSS THE AREA
OVER THE LAST 24 HOURS. ADDITIONAL BUT LESS ORGANIZED RAINFALL IS
EXPECTED TODAY... WITH ANOTHER ROUND OF SHOWERS AND THUNDERSTORMS
FORECAST ON MONDAY. THREE DAY EVENT TOTALS ARE EXPECTED TO AVERAGE
4 TO 6 INCHES IN THE WATCH AREA. LOCALLY HIGHER AMOUNTS ARE
POSSIBLE.

LAZ033-042>045-052>055-074-012200-
/O.CON.KLCH.FF.A.0010.000000T0000Z-170103T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ST. LANDRY-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-EAST CAMERON-
INCLUDING THE CITIES OF...LAWTELL...OPELOUSAS...EUNICE...
HATHAWAY...JENNINGS...TOPSY...ROANOKE...WELSH...LAKE ARTHUR...
CROWLEY...RAYNE...BRANCH...CHURCH POINT...RICHARD...LAFAYETTE...
BREAUX BRIDGE...CADE...ST. MARTINVILLE...ABBEVILLE...
INTRACOASTAL CITY...MEAUX...FORKED ISLAND...KAPLAN...NEW IBERIA...
MORGAN CITY...BURNS POINT...CENTERVILLE...FRANKLIN...PATTERSON...
BERWICK...BAYOU VISTA...STEPHENSVILLE...GRAND LAKE...KLONDIKE...
CAMERON...CREOLE...GRAND CHENIER...RUTHERFORD BEACH
346 AM CST SUN JAN 1 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY AFTERNOON...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL LOUISIANA...SOUTH CENTRAL LOUISIANA AND 
  SOUTHWEST LOUISIANA...INCLUDING THE FOLLOWING AREAS...IN 
  CENTRAL LOUISIANA...ST. LANDRY. IN SOUTH CENTRAL LOUISIANA... 
  IBERIA...LAFAYETTE...LOWER ST. MARTIN...ST. MARY AND UPPER ST. 
  MARTIN. IN SOUTHWEST LOUISIANA...ACADIA...EAST CAMERON... 
  JEFFERSON DAVIS AND VERMILION. 

* THROUGH MONDAY AFTERNOON

* AN ADDITIONAL 2-4 INCHES OF RAIN CAN BE EXPECTED OVER THE WATCH
  AREA TODAY AND TOMORROW IN ADDITION TO THE 3-4 INCHES THAT HAS
  ALREADY FALLEN. WIDESPREAD RAINFALL TOTALS OF 4-6 INCHES ARE
  EXPECTED OVER THE THREE DAY PERIOD WITH LOCALLY HIGHER AMOUNTS
  POSSIBLE.

* IMPACTS INCLUDE DANGEROUS AND POTENTIALLY LIFE THREATENING 
  FLASH FLOODING AS WELL AS ELEVATED LEVELS ON AREA RIVERS AND 
  STREAMS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

JONES
028 
WGUS64 KLCH 012149
FFALCH

FLOOD WATCH
NATIONAL WEATHER SERVICE LAKE CHARLES LA
349 PM CST SUN JAN 1 2017

...FLASH FLOOD WATCH IN EFFECT UNTIL MONDAY AFTERNOON...

.A LARGE AREA OF 3 TO 5 INCHES OF RAIN HAS FALLEN ACROSS THE WATCH
AREA OVER THE LAST 48 HOURS. ADDITIONAL SHOWERS AND THUNDERSTORMS
WILL CONTINUE OVER LOWER SOUTH CENTRAL LOUISIANA THE REST OF THIS
AFTERNOON AND EVENING, WITH MORE ISOLATED TO SCATTERED SHOWERS AND
THUNDERSTORMS POSSIBLE FARTHER WEST DURING THE OVERNIGHT HOURS.
MORE SHOWERS AND THUNDERSTORMS ARE EXPECTED ALONG AND AHEAD OF A
COOL FRONT FORECAST TO MOVE THROUGH THE AREA ON MONDAY. AN
ADDITIONAL 1 TO 2 INCHES IS POSSIBLE IN THE WATCH AREA FROM NOW
THROUGH MONDAY. LOCALLY HIGHER AMOUNTS ARE POSSIBLE. 

LAZ033-042>045-052>055-074-020600-
/O.CON.KLCH.FF.A.0010.000000T0000Z-170103T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ST. LANDRY-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-EAST CAMERON-
INCLUDING THE CITIES OF...LAWTELL...OPELOUSAS...EUNICE...
HATHAWAY...JENNINGS...TOPSY...ROANOKE...WELSH...LAKE ARTHUR...
CROWLEY...RAYNE...BRANCH...CHURCH POINT...RICHARD...LAFAYETTE...
BREAUX BRIDGE...CADE...ST. MARTINVILLE...ABBEVILLE...
INTRACOASTAL CITY...MEAUX...FORKED ISLAND...KAPLAN...NEW IBERIA...
MORGAN CITY...BURNS POINT...CENTERVILLE...FRANKLIN...PATTERSON...
BERWICK...BAYOU VISTA...STEPHENSVILLE...GRAND LAKE...KLONDIKE...
CAMERON...CREOLE...GRAND CHENIER...RUTHERFORD BEACH
349 PM CST SUN JAN 1 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY AFTERNOON...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL LOUISIANA...SOUTH CENTRAL LOUISIANA AND 
  SOUTHWEST LOUISIANA...INCLUDING THE FOLLOWING AREAS...IN 
  CENTRAL LOUISIANA...ST. LANDRY. IN SOUTH CENTRAL LOUISIANA... 
  IBERIA...LAFAYETTE...LOWER ST. MARTIN...ST. MARY AND UPPER ST. 
  MARTIN. IN SOUTHWEST LOUISIANA...ACADIA...EAST CAMERON... 
  JEFFERSON DAVIS AND VERMILION. 

* THROUGH MONDAY AFTERNOON

* AN ADDITIONAL 1-2 INCHES OF RAIN CAN BE EXPECTED OVER THE WATCH
  AREA TONIGHT AND MONDAY IN ADDITION TO THE 3-5 INCHES THAT HAS
  ALREADY FALLEN. LOCALLY HIGHER AMOUNTS ARE POSSIBLE.

* IMPACTS INCLUDE DANGEROUS AND POTENTIALLY LIFE THREATENING 
  FLASH FLOODING AS WELL AS ELEVATED LEVELS ON AREA RIVERS AND 
  STREAMS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

13
132 
WGUS64 KLCH 020456
FFALCH

FLOOD WATCH
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1056 PM CST SUN JAN 1 2017

...FLASH FLOOD WATCH IN EFFECT UNTIL MONDAY AFTERNOON...

.A LARGE AREA OF 3 TO 5 INCHES OF RAIN HAS FALLEN ACROSS THE
WATCH AREA OVER THE LAST 48 HOURS. ADDITIONAL SHOWERS AND
THUNDERSTORMS ARE EXPECTED ALONG AND AHEAD OF A COOL FRONT
FORECAST TO MOVE THROUGH THE AREA ON MONDAY. AN ADDITIONAL 1 TO 2
INCHES IS POSSIBLE IN THE WATCH AREA FROM NOW THROUGH MONDAY.
LOCALLY HIGHER AMOUNTS ARE POSSIBLE.

LAZ033-042>045-052>055-074-021400-
/O.CON.KLCH.FF.A.0010.000000T0000Z-170103T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ST. LANDRY-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-EAST CAMERON-
INCLUDING THE CITIES OF...LAWTELL...OPELOUSAS...EUNICE...
HATHAWAY...JENNINGS...TOPSY...ROANOKE...WELSH...LAKE ARTHUR...
CROWLEY...RAYNE...BRANCH...CHURCH POINT...RICHARD...LAFAYETTE...
BREAUX BRIDGE...CADE...ST. MARTINVILLE...ABBEVILLE...
INTRACOASTAL CITY...MEAUX...FORKED ISLAND...KAPLAN...NEW IBERIA...
MORGAN CITY...BURNS POINT...CENTERVILLE...FRANKLIN...PATTERSON...
BERWICK...BAYOU VISTA...STEPHENSVILLE...GRAND LAKE...KLONDIKE...
CAMERON...CREOLE...GRAND CHENIER...RUTHERFORD BEACH
1056 PM CST SUN JAN 1 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY AFTERNOON...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL LOUISIANA...SOUTH CENTRAL LOUISIANA AND 
  SOUTHWEST LOUISIANA...INCLUDING THE FOLLOWING AREAS...IN 
  CENTRAL LOUISIANA...ST. LANDRY. IN SOUTH CENTRAL LOUISIANA... 
  IBERIA...LAFAYETTE...LOWER ST. MARTIN...ST. MARY AND UPPER ST. 
  MARTIN. IN SOUTHWEST LOUISIANA...ACADIA...EAST CAMERON... 
  JEFFERSON DAVIS AND VERMILION. 

* THROUGH MONDAY AFTERNOON

* AN ADDITIONAL 1-2 INCHES OF RAIN CAN BE EXPECTED OVER THE 
  WATCH AREA TONIGHT AND MONDAY IN ADDITION TO THE 3-5 INCHES 
  THAT HAS ALREADY FALLEN. LOCALLY HIGHER AMOUNTS ARE POSSIBLE. 

* IMPACTS INCLUDE DANGEROUS AND POTENTIALLY LIFE THREATENING 
  FLASH FLOODING AS WELL AS ELEVATED LEVELS ON AREA RIVERS AND 
  STREAMS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
547 
WGUS64 KLCH 021106
FFALCH

FLOOD WATCH
NATIONAL WEATHER SERVICE LAKE CHARLES LA
506 AM CST MON JAN 2 2017

...FLASH FLOOD WATCH IN EFFECT UNTIL MONDAY AFTERNOON...

.A LARGE AREA OF 3 TO 5 INCHES OF RAIN HAS FALLEN ACROSS THE
WATCH AREA OVER THE LAST 48 HOURS. ADDITIONAL SHOWERS AND
THUNDERSTORMS ARE EXPECTED ALONG AND AHEAD OF A COOL FRONT
FORECAST TO MOVE THROUGH THE AREA TODAY. AN ADDITIONAL 1 TO 2
INCHES IS POSSIBLE IN THE WATCH AREA WITH LOCALLY HIGHER AMOUNTS
POSSIBLE.

LAZ033-042>045-052>055-074-030000-
/O.CON.KLCH.FF.A.0010.000000T0000Z-170103T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ST. LANDRY-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-EAST CAMERON-
INCLUDING THE CITIES OF...LAWTELL...OPELOUSAS...EUNICE...
HATHAWAY...JENNINGS...TOPSY...ROANOKE...WELSH...LAKE ARTHUR...
CROWLEY...RAYNE...BRANCH...CHURCH POINT...RICHARD...LAFAYETTE...
BREAUX BRIDGE...CADE...ST. MARTINVILLE...ABBEVILLE...
INTRACOASTAL CITY...MEAUX...FORKED ISLAND...KAPLAN...NEW IBERIA...
MORGAN CITY...BURNS POINT...CENTERVILLE...FRANKLIN...PATTERSON...
BERWICK...BAYOU VISTA...STEPHENSVILLE...GRAND LAKE...KLONDIKE...
CAMERON...CREOLE...GRAND CHENIER...RUTHERFORD BEACH
506 AM CST MON JAN 2 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS AFTERNOON...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL LOUISIANA...SOUTH CENTRAL LOUISIANA AND 
  SOUTHWEST LOUISIANA...INCLUDING THE FOLLOWING AREAS...IN 
  CENTRAL LOUISIANA...ST. LANDRY. IN SOUTH CENTRAL LOUISIANA... 
  IBERIA...LAFAYETTE...LOWER ST. MARTIN...ST. MARY AND UPPER ST. 
  MARTIN. IN SOUTHWEST LOUISIANA...ACADIA...EAST CAMERON... 
  JEFFERSON DAVIS AND VERMILION. 

* THROUGH THIS AFTERNOON

* AN ADDITIONAL 1-2 INCHES OF RAIN CAN BE EXPECTED OVER THE WATCH
  AREA TODAY IN ADDITION TO THE 3-5 INCHES THAT HAS ALREADY
  FALLEN. LOCALLY HIGHER AMOUNTS ARE POSSIBLE.

* IMPACTS INCLUDE DANGEROUS AND POTENTIALLY LIFE THREATENING 
  FLASH FLOODING AS WELL AS ELEVATED LEVELS ON AREA RIVERS AND 
  STREAMS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
811 
WGUS64 KLCH 021625
FFALCH

FLOOD WATCH
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1025 AM CST MON JAN 2 2017

...FLASH FLOOD WATCH IN EFFECT THROUGH THIS AFTERNOON...

.A LARGE AREA OF 3 TO 5 INCHES OF RAIN HAS FALLEN ACROSS THE
WATCH AREA OVER THE LAST 48 HOURS. ADDITIONAL SHOWERS AND
THUNDERSTORMS ARE EXPECTED ALONG AND AHEAD OF A COOL FRONT
FORECAST TO MOVE THROUGH THE AREA THIS AFTERNOON. AN ADDITIONAL 1
TO 2 INCHES IS POSSIBLE IN THE WATCH AREA WITH LOCALLY HIGHER
AMOUNTS POSSIBLE.

LAZ033-042>045-052>055-074-022300-
/O.CON.KLCH.FF.A.0010.000000T0000Z-170103T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ST. LANDRY-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-EAST CAMERON-
INCLUDING THE CITIES OF...LAWTELL...OPELOUSAS...EUNICE...
HATHAWAY...JENNINGS...TOPSY...ROANOKE...WELSH...LAKE ARTHUR...
CROWLEY...RAYNE...BRANCH...CHURCH POINT...RICHARD...LAFAYETTE...
BREAUX BRIDGE...CADE...ST. MARTINVILLE...ABBEVILLE...
INTRACOASTAL CITY...MEAUX...FORKED ISLAND...KAPLAN...NEW IBERIA...
MORGAN CITY...BURNS POINT...CENTERVILLE...FRANKLIN...PATTERSON...
BERWICK...BAYOU VISTA...STEPHENSVILLE...GRAND LAKE...KLONDIKE...
CAMERON...CREOLE...GRAND CHENIER...RUTHERFORD BEACH
1025 AM CST MON JAN 2 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL LOUISIANA...SOUTH CENTRAL LOUISIANA AND 
  SOUTHWEST LOUISIANA...INCLUDING THE FOLLOWING AREAS...IN 
  CENTRAL LOUISIANA...ST. LANDRY. IN SOUTH CENTRAL LOUISIANA... 
  IBERIA...LAFAYETTE...LOWER ST. MARTIN...ST. MARY AND UPPER ST. 
  MARTIN. IN SOUTHWEST LOUISIANA...ACADIA...EAST CAMERON... 
  JEFFERSON DAVIS AND VERMILION. 

* UNTIL 6 PM CST THIS EVENING

* AN ADDITIONAL 1-2 INCHES OF RAIN CAN BE EXPECTED OVER THE 
  WATCH AREA TODAY IN ADDITION TO THE 3-5 INCHES THAT HAS 
  ALREADY FALLEN. LOCALLY HIGHER AMOUNTS ARE POSSIBLE. 

* IMPACTS INCLUDE DANGEROUS AND POTENTIALLY LIFE THREATENING 
  FLASH FLOODING AS WELL AS ELEVATED LEVELS ON AREA RIVERS AND 
  STREAMS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
282 
WGUS64 KLCH 022147
FFALCH

FLOOD WATCH
NATIONAL WEATHER SERVICE LAKE CHARLES LA
347 PM CST MON JAN 2 2017

...FLASH FLOOD WATCH HAS BEEN CANCELLED...

.HEAVY RAINS HAVE SHIFTED INTO SOUTHEAST LOUISIANA THIS AFTERNOON.
ALTHOUGH SOME SHOWER AND ISOLATED THUNDERSTORMS MAY OCCUR OVER
SOUTH CENTRAL LOUISIANA...HEAVY RAINFALL IS NOT EXPECTED.
THEREFORE...THE WATCH HAS BEEN CANCELLED. 

LAZ033-042>045-052>055-074-022300-
/O.CAN.KLCH.FF.A.0010.000000T0000Z-170103T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ST. LANDRY-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-EAST CAMERON-
INCLUDING THE CITIES OF...LAWTELL...OPELOUSAS...EUNICE...
HATHAWAY...JENNINGS...TOPSY...ROANOKE...WELSH...LAKE ARTHUR...
CROWLEY...RAYNE...BRANCH...CHURCH POINT...RICHARD...LAFAYETTE...
BREAUX BRIDGE...CADE...ST. MARTINVILLE...ABBEVILLE...
INTRACOASTAL CITY...MEAUX...FORKED ISLAND...KAPLAN...NEW IBERIA...
MORGAN CITY...BURNS POINT...CENTERVILLE...FRANKLIN...PATTERSON...
BERWICK...BAYOU VISTA...STEPHENSVILLE...GRAND LAKE...KLONDIKE...
CAMERON...CREOLE...GRAND CHENIER...RUTHERFORD BEACH
347 PM CST MON JAN 2 2017

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR PORTIONS OF CENTRAL LOUISIANA...SOUTH
CENTRAL LOUISIANA AND SOUTHWEST LOUISIANA HAS BEEN CANCELLED.
ALTHOUGH SOME LINGERING SHOWER ACTIVITY MAY OCCUR THROUGH THE
REMAINDER OF THE AFTERNOON...FLOODING IS NOT EXPECTED.  

$$

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lake Charles, LA wrote its last area forecast discussion before this flash flood watch went out at Dec 30, 11:45 PM CST, 4 hours 3 minutes earlier.

Area forecast discussion, Dec 30, 11:45 PM CST, 4 hours 3 minutes before
Area Forecast Discussion
National Weather Service Lake Charles LA
1145 PM CST Fri Dec 30 2016

.DISCUSSION...
For the 12/31 06Z TAF issuance.

&&

.AVIATION...
Mid levels clouds along with patchy light rain/sprinkles will
continue through the night.  Rain will increase on Saturday and at
this time...expect ceilings and visibilities to lower to IFR
beginning Saturday morning. Models continue to show a saturated
boundary layer for Saturday and Saturday night so will maintain
IFR conditions. LIFR conditions be possible especially after dark
Saturday evening.

&&

.PREV DISCUSSION... /issued 745 PM CST Fri Dec 30 2016/

DISCUSSION...
Update for early this evening was mainly for addition of marine
hazards for the upcoming increase in southeasterly to southerly
winds overnight into most of Saturday, see marine discussion below
for specifics

Other weather this evening was a report of graupel (sleet) just
east of De Quincy (from one of our forecasters) with a surface
temperature of 47 and a freezing level of 11,000 ft. This is in
addition of many reports of this over East Texas earlier this
afternoon as well. Wondering how this is possible? Well, the 00z
LCH sounding shows an incredible dry layer from the surface
through roughly 800mb, becoming almost saturated by 700mb and
above where the light rainfall is occurring. The rain is falling
mostly as virga, but some of the raindrops are big enough not to
completely evaporate. Since the majority of the dry layer has a
wet bulb temperature in the upper 20s, some of these raindrops
are re-freezing during its journey towards the ground. Due to the
surface temperature of the mid to upper 40s, the graupel rapidly
melts upon contact, so no winter weather worries expected.

The dry layer will be rapidly eroding overnight as the entire
layer moistens, with showers expected to increase and expand
during the day Saturday. No changes needed to this forecast at
this time.

DML

MARINE...
Increase in SE to S winds of 20-25 kts expected in about 12
hours, or roughly by daybreak Saturday, with seas 5-8 feet
expected by late morning. Update to forecast includes Small Craft
Advisory for the 20-60 nm zones from 6 AM through 6 PM, and east
of Cameron through 9 PM Saturday.

DML

&&

PREV DISCUSSION... /issued 425 PM CST Fri Dec 30 2016/

DISCUSSION...
Isentropic ascent already generating considerable cloud cover and
weak returns on regional radars this afternoon, though it is
doubtful that anything is yet reaching the surface in our area as
the 12Z KLCH RAOB depicted a very dry airmass below 500mb. As this
light PCPN works to moisten the layers beneath it, surface to low
level flow is forecast to increase as low level ridging shifts
off to the east and a LLJ develops downstream of a developing
Central Plains trof. These moistening process are expected to
yield PWATs near 2 inches by Saturday, which is record territory
for this time of year. Coupled with strong isentropic ascent and
further enhanced by a weak surface wave forecast to lift NE along
a TX coastal trof, widespread rains with embedded isolated
thunderstorms are expected to affect the area tomorrow and
tomorrow night.

Heaviest rains are expected to begin over SE TX tomorrow morning,
then expand ENE through the day. By evening, heaviest rainfall
should be focused over South Central LA/the Lower Atchafalaya,
with rains tapering off to the west. Most of the rain should be
finished by midnight, though some may still be ongoing over the
Lower Atchafalaya. A broad swath of 2 to 4 inch rains is expected
roughly along and south of a Marksville LA to Beaumont TX line,
and locally higher amounts are possible. Given the ambient dry
conditions and relatively progressive nature of the rains, the
area should be able to handle these amounts. Localized and/or
urban type flooding is possible pending rates and location of
heavier rain amounts.

What remains of the coastal trof is forecast to lift northward
and/or weaken on SUN, with something of a break in the rain
expected. Rain chances will ramp up again Sunday night into
Monday as an upstream shortwave trof ejects NE across the region.
Rains end from W to E Monday afternoon as a dry westerly flow
develops in the wake of this feature, with cooler temperatures
returning Tuesday morning after a period of much above readings
over the weekend and into Monday.

Tuesday afternoon will continue to be warm as the cool morning is
more the result of a drier rather than cooler airmass. That will
change though as another front quickly follows Tuesday night as a
cold Canadian High builds into the Central/Eastern CONUS. The
boundary looks to stall over the nearshore Gulf coastal waters,
however, which will set the stage for another rain event toward
the end of the week as disturbances traverse the fast westerly
flow aloft and an upper level trof approaches from the west.

13

MARINE...
East winds will continue to become more southeast tonight as
surface high pressure shifts east of the area. Speeds will
increase later this evening as a Texas coastal trof of low
pressure begins to develop in response to an approaching upper
level disturbance. Small craft exercise headlines have been posted
and it is possible than an advisory may be needed after midnight
into Saturday. A weak wave of low pressure is forecast to lift
northeast along the coastal trof toward South Central Louisiana on
Saturday, enhancing lift and and helping generate widespread
showers and isolated thunderstorms. The trof will be left behind,
however, and slowly dissipate or lift to the north on Sunday.
South winds will then strengthen again as another upper level
system approaches from the west, enhancing rain chances Sunday
night and Monday while dragging a weak cool front through the
area.

13

&&

.PRELIMINARY POINT TEMPS/POPS...
AEX  46  61  56  69 /  30 100  50  30
LCH  50  68  62  72 /  30 100  70  40
LFT  50  69  65  75 /  20  90  90  40
BPT  53  70  62  74 /  30 100  40  40

&&

.LCH WATCHES/WARNINGS/ADVISORIES...
LA...None.
TX...None.
GM...Small Craft Advisory from 6 AM to 9 PM CST Saturday for GMZ472-
     475.

     SMALL CRAFT EXERCISE CAUTION until 6 AM CST Saturday for GMZ470-
     472-475.

     Small Craft Advisory from 6 AM to 6 PM CST Saturday for GMZ470.

     SMALL CRAFT EXERCISE CAUTION from 6 AM CST Saturday through
     Saturday afternoon for GMZ430-432.

     SMALL CRAFT EXERCISE CAUTION through Saturday evening for GMZ452-
     455.

     SMALL CRAFT EXERCISE CAUTION from 6 AM CST Saturday through
     Saturday evening for GMZ435.

     SMALL CRAFT EXERCISE CAUTION through Saturday afternoon for
     GMZ450.

&&

AVIATION...04
Hazardous weather outlook, Dec 30, 5:59 AM CST, 21 hours 49 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAKE CHARLES LA
559 AM CST FRI DEC 30 2016

LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-
311200-
VERNON-RAPIDES-AVOYELLES-BEAUREGARD-ALLEN-EVANGELINE-ST. LANDRY-
CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-WEST CAMERON-
EAST CAMERON-TYLER-HARDIN-JEFFERSON-ORANGE-NORTHERN JASPER-
NORTHERN NEWTON-SOUTHERN JASPER-SOUTHERN NEWTON-
559 AM CST FRI DEC 30 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
LOUISIANA...SOUTH CENTRAL LOUISIANA...SOUTHWEST LOUISIANA...WEST
CENTRAL LOUISIANA AND SOUTHEAST TEXAS.

.DAY ONE...TODAY AND TONIGHT
DRY WEATHER CAN BE EXPECTED INTO THIS EVENING AS HIGH PRESSURE
BUILDS ACROSS THE REGION. SHOWERS ASSOCIATED WITH INCREASING GULF
MOISTURE AND A DISTURBANCE ALOFT IN THE ATMOSPHERE WILL DEVELOP
ACROSS TEXAS TONIGHT...THEN SPREAD EASTWARD INTO THE FORECAST AREA
AFTER MIDNIGHT. SEVERE WEATHER IS NOT FORECAST AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
WIDESPREAD SHOWERS WITH A FEW THUNDERSTORMS ARE EXPECTED FOR THE
WEEKEND AND ON INTO MONDAY AS A SERIES OF DISTURBANCES CROSS THE
AREA. SEVERE WEATHER IS NOT EXPECTED. TOTAL RAINFALL AMOUNTS ARE
EXPECTED TO AVERAGE 3 TO 4 INCHES...BUT LOCALLY HIGHER AMOUNTS
COULD LEAD TO MINOR FLOODING ISSUES, ESPECIALLY IN FLOOD-PRONE
AREAS.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED.

GMZ430-432-435-450-452-455-470-472-475-311200-
SABINE LAKE-CALCASIEU LAKE-VERMILION BAY-
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX OUT 20 NM-
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM-
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA OUT 20 NM-
WATERS FROM CAMERON LA TO HIGH ISLAND TX FROM 20 TO 60 NM-
WATERS FROM  INTRACOASTAL CITY TO CAMERON LA FROM 20 TO 60 NM-
WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY LA FROM
20 TO 60 NM-
559 AM CST FRI DEC 30 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF GULF OF MEXICO.

.DAY ONE...TODAY AND TONIGHT
HAZARDOUS WEATHER IS NOT EXPECTED.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
STRONG SOUTHERLY WINDS ARE EXPECTED TO DEVELOP ON SATURDAY...AND A
SMALL CRAFT ADVISORY MAY BE NEEDED FOR PORTIONS OF THE WEEKEND.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED.

25

The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 30, 7:20 PM CSTSmall Craft AdvisoryLCH26 hr
Dec 31, 1:12 PM CSTAreal Flood AdvisoryLCHCalcasieu4 hr
Dec 31, 3:09 PM CSTAreal Flood AdvisoryLCHAcadia, Calcasieu, Evangeline, Jefferson Davis, Saint Landry111 min
Dec 31, 3:52 PM CSTAreal Flood AdvisoryLCHAcadia, Evangeline, Lafayette, Saint Landry, Saint Martin113 min
Dec 31, 5:49 PM CSTSpecial Weather StatementLCHIberia, Saint Martin, Vermilion86 min

Nearby

Flash Flood Watches in Louisiana, 2016Every flash flood watch in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.